docs: def uuid(self, name=None, pad_length=22):
          """
          Generate and return a UUID.
  
          If the name parameter is provided, set the namespace to the provided
          name and generate a UUID.
          """
          # If no name is given, generate a random UUID.
          if name is None:
              uuid = _uu.uuid4()
          elif "http" not in name.lower():
              uuid = _uu.uuid5(_uu.NAMESPACE_DNS, name)
          else:
              uuid = _uu.uuid5(_uu.NAMESPACE_URL, name)
          return self.encode(uuid, pad_length)